
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    int envelope_id = Integer.parseInt(request.getParameter("envelope_id"));
%>
<br><br><br><br>
<div style="text-align: center">
    <form action="<%=request.getContextPath()%>/modify/EnvelopeName?envelope_id=<%=envelope_id%>" method="post">
        请输入信封的新名字<input name="envelopeName" type="text">
        <input type="submit" value="提交">
    </form>
</div>
<style>
    body {
        background-image: url("../picture/new.jpg");
        background-repeat: no-repeat;
        background-attachment: fixed;
        background-position: center center;
        background-size: 100% 100%;
    }
</style>